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from typing import TYPE_CHECKING, Any
from langchain._api import create_importer
if TYPE_CHECKING:
from langchain_community.chat_loaders.utils import (
map_ai_messages,
map_ai_messages_in_session,
merge_chat_runs,
merge_chat_runs_in_session,
)
# Create a way to dynamically look up deprecated imports.
# Used to consolidate logic for raising deprecation warnings and
# handling optional imports.
DEPRECATED_LOOKUP = {
"merge_chat_runs_in_session": "langchain_community.chat_loaders.utils",
"merge_chat_runs": "langchain_community.chat_loaders.utils",
"map_ai_messages_in_session": "langchain_community.chat_loaders.utils",
"map_ai_messages": "langchain_community.chat_loaders.utils",
}
_import_attribute = create_importer(__package__, deprecated_lookups=DEPRECATED_LOOKUP)
def __getattr__(name: str) -> Any:
"""Look up attributes dynamically."""
return _import_attribute(name)
__all__ = [
"merge_chat_runs_in_session",
"merge_chat_runs",
"map_ai_messages_in_session",
"map_ai_messages",
]
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